Finding the Fourth Proportional to 317.29, 476.04 and 163.19
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Solution
The fourth proportional to 317.29, 476.04 and 163.19 is: 244.84
Step by Step Solution
- Step 1: Write the proportion equation
317.29 : 476.04 = 163.19 : x - Step 2: Convert to fraction form
317.29/476.04 = 163.19/x - Step 3: Cross multiply
317.29x = 476.04 × 163.19 - Step 4: Simplify right side
317.29x = 77,684.97 - Step 5: Solve for x
x = 77,684.97/317.29 - Step 6: Final answer
x = 244.84
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.